J. Ortega

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Influence of age, sex, and concurrent intrathecal methotrexate therapy on intellectual function after cranial irradiation during childhood: a report from the Children's Cancer Study Group.

L. Robison, L. Constine, H. Sather, 1990, Pediatric hematology and oncology.

Effects of radiation on testicular function in long-term survivors of childhood acute lymphoblastic leukemia: a report from the Children Cancer Study Group.

L. Robison, C. Sklar, H. Sather, 1990, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Osteoporosis after cranial irradiation for acute lymphoblastic leukemia.

V. Gilsanz, J. Ortega, M. Carlson, 1990, The Journal of pediatrics.

Height of children successfully treated for acute lymphoblastic leukemia: a report from the Late Effects Study Committee of Childrens Cancer Study Group.

L. Robison, H. Sather, A. Meadows, 1985, Medical and pediatric oncology.

Frequency of early death in children with acute leukemia presenting with hyperleukocytosis

M. Heisel, J. Ortega, B. Wald, 1982, Cancer.

Clostridium septicum infection in childhood leukemia. Report of a Case and Review of the Literature

J. Quinn, S. Siegel, J. Ortega, 1977, Cancer.

Tracing expert thinking in clinical trial design.

R S Horowitz, J. Weiner, R. Horowitz, 1989, Computers and biomedical research, an international journal.

Intensive chemotherapy as primary treatment for rhabdomyosarcoma of the pelvis

J. Ortega, R. Nitschke, R. Hittle, 1975, Cancer.

L-Asparaginase, vincristine, and prednisone for induction of first remission in acute lymphocytic leukemia.

D. Hammond, J. Weiner, J. Ortega, 1977, Cancer research.

Treatment of children and adolescents with localized parameningeal sarcoma: experience of the Intergroup Rhabdomyosarcoma Study Group protocols IRS-II through -IV, 1978-1997.

James R. Anderson, E. Gehan, J. Meza, 2002, Medical and pediatric oncology.

The influence of chemotherapy on the prognosis of rhabdomyosarcoma.

M. Pike, J. Ortega, H. Isaacs, 1975, Medical and pediatric oncology.

Clinical features and results of therapy for children with paraspinal soft tissue sarcoma: a report of the Intergroup Rhabdomyosarcoma Study.

E. Gehan, M. Wharam, E. Wiener, 1991, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Endocrine Abnormalities in Thalassemia Major: Gertrude Costin, MD; Maurice D. Kogut, MD; Carol B. Hyman, MD; Jorge A. Ortega, MD

M. Kogut, J. Ortega, G. Costin, 1979 .

Venoocclusive disease of the liver after chemotherapy with vincristine, actinomycin D, and cyclophosphamide for the treatment of rhabdomyosarcoma

S. Donaldson, A. Pappo, J. Ortega, 1997, Cancer.

Recommendations on the use of colony-stimulating factors in children: conclusions of a European panel

W. Kamps, G. Henze, F. Locatelli, 1998, European Journal of Pediatrics.

Timing and magnitude of decline in alpha-fetoprotein levels in treated children with unresectable or metastatic hepatoblastoma are predictors of outcome: a report from the Children's Cancer Group.

J. Quinn, J. Feusner, M. Krailo, 1997, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

5-Fluorouracil and 1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea (CCNU) followed by hydroxyurea, misonidazole, and irradiation for brain stem gliomas: a pilot study of the Brain Tumor Research Center and the Childrens Cancer Group.

Michael S. B. Edwards, W. Wara, V. Levin, 1984, Neurosurgery.

Rhabdomyosarcoma of childhood.

J. Ortega, M. Malogolowkin, 1988, Pediatric annals.

Endocrine abnormalities in thalassemia major.

M. Kogut, J. Ortega, G. Costin, 1979, American journal of diseases of children.

Vincristine, dactinomycin, and cyclophosphamide (VAC) chemotherapy for recurrent metastatic Wilms tumor in previously treated children.

S. Siegel, J. Ortega, H. Isaacs, 1980, The Journal of pediatrics.

The intergroup rhabdomyosarcoma study‐II

E. Gehan, S. Donaldson, M. Beltangady, 1993, Cancer.

Anagyrine-induced red cell aplasia, vascular anomaly, and skeletal dysplasia.

J. Lazerson, J. Ortega, 1987, The Journal of pediatrics.

Acute cyanide poisoning following administration of Laetrile enemas.

J. Ortega, J. Creek, 1978, The Journal of pediatrics.

Macrocytosis and pure RBC anemia caused by azathioprine.

Y. DeClerck, A. Pennisi, R. Ettenger, 1980, American journal of diseases of children.

The treatment of medulloblastoma. Results of a prospective randomized trial of radiation therapy with and without CCNU, vincristine, and prednisone.

W. Wara, R. Sposto, A. Evans, 1990, Journal of neurosurgery.

Candidal splenic abscesses complicating acute leukemia of childhood treated by splenectomy.

W. Laug, J. Ortega, K. Williams, 1981, Pediatrics.

Congenital dyskeratosis. Zinsser-Engman-Cole syndrome with thymic dysplasia and aplastic anemia.

J. Ortega, B. Landing, G. Hammond, 1972, American journal of diseases of children.

The intergroup rhabdomyosarcoma study‐I. A final report

E. Gehan, M. Beltangady, R. Heyn, 1988, Cancer.

Hemangiopericytoma in infants and children. A report of six patients.

J. Atkinson, J. Ortega, H. Isaacs, 1984, American journal of surgery.

Chemotherapy of malignant hemangiopericytoma of childhood. Report of a case and review of the literature

J. Finklestein, J. Ortega, H. Isaacs, 1971, Cancer.

Tumors of the pineal and suprasellar region: Childrens cancer study group treatment results 1960–1975. A report from childrens cancer study group

Charles B. Wilson, W. Wara, A. Evans, 1979, Cancer.

Treatment of children with dysgerminoma of the ovary

J. Ortega, M. Weinblatt, 1982, Cancer.

Effects of radiation on ovarian function in long-term survivors of childhood acute lymphoblastic leukemia: a report from the Childrens Cancer Study Group.

L. Robison, H. Sather, A. Meadows, 1987, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Fibrolamellar hepatocellular carcinoma in children and adolescents

J. Quinn, E. Douglass, M. Sensel, 2003, Cancer.

Germ cell tumors in infancy and childhood: a 45-year experience.

M. Krailo, J. Ortega, G. Mahour, 1990, Pediatric pathology.

dl‐α‐TOCOPHEROL, IRON, AND LIPOFUSCIN IN THALASSEMIA *

J. Ortega, B. Landing, C. Hyman, 1974 .

Immature teratomas: identification of patients at risk for malignant recurrence.

S. Siegel, M. Krailo, J. Ortega, 1989, Journal of the National Cancer Institute.

A therapeutic approach to childhood pelvic rhabdomyosarcoma without pelvic exenteration.

J. Ortega, 1979, The Journal of pediatrics.

Randomized comparison of cisplatin/vincristine/fluorouracil and cisplatin/continuous infusion doxorubicin for treatment of pediatric hepatoblastoma: A report from the Children's Cancer Group and the Pediatric Oncology Group.

J. Quinn, E. Douglass, M. Sensel, 2000, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Long-term evaluation of a CNS prophylaxis trial--treatment comparisons and outcome after CNS relapse in childhood ALL: a report from the Childrens Cancer Study Group.

L. Robison, H. Sather, J. Ortega, 1987, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Evaluation of radiation therapy factors in prophylactic central nervous system irradiation for childhood leukemia: a report from the Children's Cancer Study Group.

H. Sather, D. Hammond, J. Ortega, 1981, International journal of radiation oncology, biology, physics.

Further Studies of the Postnatal Change in Chemical Heterogeneity of Human Fetal Hemoglobin in Several Abnormal Conditions

T. Huisman, W. Schroeder, J. Ortega, 1975, Pediatric Research.

Pharmacology of cytarabine given as a continuous infusion followed by mitoxantrone with and without amsacrine/etoposide as reinduction chemotherapy for relapsed or refractory pediatric acute myeloid leukemia.

V. Avramis, J. Ortega, M. Ozkaynak, 1998, Medical and pediatric oncology.

The effectiveness of chemotherapy for treatment of high grade astrocytoma in children: Results of a randomized trial

Audrey E. Evans, A. Evans, D. Hammond, 1989, Journal of Neuro-Oncology.

Myelodysplastic and myeloproliferative disorders of childhood: a study of 167 patients.

B. Lange, K. Shannon, P. Steinherz, 1999, Blood.

Myelodysplastic and Myeloproliferative Disorders of Childhood : A Study of 167 Patients

B. Lange, K. Shannon, P. Steinherz, 1998 .

Sanctuary therapy: a randomized trial of 724 children with previously untreated acute lymphoblastic leukemia: A Report from Children's Cancer Study Group.

L. Robison, H. Sather, J. Ortega, 1982, Cancer research.

PRESYMPTOMATIC CENTRAL NERVOUS SYSTEM THERAPY IN PREVIOUSLY UNTREATED CHILDHOOD ACUTE LYMPHOBLASTIC LEUKAEMIA: COMPARISON OF 1800 RAD AND 2400 RAD A Report for Children's Cancer Study Group

L. Robison, H. Sather, J. Ortega, 1981, The Lancet.

CLOSTRIDIUM SEPTICUM IN CHILDHOOD LEUKÆMIA

ThomasJ. A. Lehman, J. Ortega, S. Siegal, 1977, The Lancet.

Brain-stem tumors in childhood: a prospective randomized trial of irradiation with and without adjuvant CCNU, VCR, and prednisone. A report of the Childrens Cancer Study Group.

W. Wara, R. Sposto, A. Evans, 1987, Journal of neurosurgery.

Effective treatment of unresectable or metastatic hepatoblastoma with cisplatin and continuous infusion doxorubicin chemotherapy: a report from the Childrens Cancer Study Group.

J. Quinn, J. Feusner, M. Krailo, 1991, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Randomized study of 3 years versus 5 years of chemotherapy in childhood acute lymphoblastic leukemia.

L. Robison, H. Sather, J. Ortega, 1983, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Morphologic changes in blast cells of children with acute lymphoblastic leukemia in relapse.

J. Ortega, M. Weinblatt, S. Kaplan, 1983, Medical and pediatric oncology.

Danazol for children with immune thrombocytopenic purpura.

J. Ortega, M. Weinblatt, J. Kochen, 1988, American journal of diseases of children.

Steroid responsiveness. A predictor of the outcome of splenectomy in children with chronic immune thrombocytopenic purpura.

J. Ortega, M. Weinblatt, 1982, American journal of diseases of children.

Congenital hypoplastic anemia inhibition of erythropoiesis by sera from patients with congenital hypoplastic anemia.

D. Hammond, J. Ortega, N. Shore, 1975, Blood.

Abstracts reprinted from Journal of Clinical Oncology

J. Quinn, E. Douglass, M. Sensel, 2002, Annals of Surgical Oncology.

EFFECT OF ISOLATED CENTRAL NERVOUS SYSTEM LEUKAEMIA ON BONE MARROW REMISSION AND SURVIVAL IN CHILDHOOD ACUTE LYMPHOBLASTIC LEUKAEMIA A Report for Children's Cancer Study Group

L. Robison, H. Sather, J. Ortega, 1981, The Lancet.

Role of chemotherapy in pediatric pulmonary blastoma.

W. Laug, V. Gilsanz, J. Ortega, 1990, Medical and pediatric oncology.

An Unusual Hemoglobin Anomaly and Its Relation to α-Thalassemia and Hemoglobin-H Disease

T. Huisman, W. Schroeder, J. Ortega, 1971 .

An unusual hemoglobin anomaly and its relation to alpha-thalassemia and hemoglobin-H disease.

Huisman, T. Huisman, W. Schroeder, 1971, The Journal of clinical investigation.

Testicular relapse in childhood acute lymphoblastic leukemia: Association with pretreatment patient characteristics and treatment. A report for childrens cancer study group

L. Robison, H. Sather, D. Hammond, 1980, Cancer.

ENDOCRINE FUNCTION IN THALASSEMIA

M. Kogut, J. Ortega, G. Costin, 1977, Pediatric Research.

Acute non‐lymphocytic leukemia following multimodality therapy for retinoblastoma

J. Ortega, K. Ying, L. White, 1985, Cancer.

THE CLINICAL SIGNIFICANCE OF MAGNESIUM DEPLETION IN THALASSEMIA *

J. Ortega, G. Costin, C. Hyman, 1980, Annals of the New York Academy of Sciences.

Letter to the editor: Response to Dr. Béak´assy et al.

J. Ortega, M. Ozkaynak, 1990 .

Results of the Brazilian Osteosarcoma Treatment Group Studies III and IV: prognostic factors and impact on survival.

A. Petrilli, O. P. Camargo, B. de Camargo, 2006, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Treatment of bilateral Wilms' tumor: comparison of initial biopsy and chemotherapy to initial surgical resection in the preservation of renal mass and function.

J. Ortega, D. Shaul, G. Mahour, 1992, Journal of pediatric surgery.

Neonatal neuroblastoma metastatic to the iris

J. Ortega, A. Murphree, Richard P. Walls, 1983, Cancer.

Feasibility and toxicity of chemoembolization for children with liver tumors.

J. Ortega, M. Malogolowkin, P. Stanley, 2000, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Effective combination treatment of advanced acute lymphocytic leukemia with cytosine arabinoside (NSC-63878) and L-asparaginase (NSC-109229).

D. Hammond, J. Finklestein, J. Ortega, 1972, Cancer chemotherapy reports.

Redefining the role of doxorubicin for the treatment of children with hepatoblastoma.

Zhengjia Chen, J. Quinn, H. Katzenstein, 2008, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Chorea, eosinophilia, and lupus anticoagulant associated with acute lymphoblastic leukemia.

J. Ortega, D. Schiff, 1992, Pediatric neurology.

Presence of well-differentiated rhabdomyoblasts at the end of therapy for pelvic rhabdomyosarcoma: implications for the outcome.

T. Triche, J. Ortega, M. Malogolowkin, 2000, Journal of pediatric hematology/oncology.

The surgical management of children with incompletely resected hepatic cancer is facilitated by intensive chemotherapy.

J. Quinn, K. Newman, J. Feusner, 1991, Journal of pediatric surgery.

Priapism in acute lymphoblastic leukemia

J. Ortega, V. Vadakan, Vibul V. Vadakan, 1972, Cancer.

Interferon-alpha n1 in children with recurrent acute lymphocytic leukemia: a phase I study of pharmacokinetics and tolerance.

H. Sather, B. Lampkin, W. Krivit, 1988, Journal of Interferon Research.

The reliability of noninvasive diagnostic procedures in children with brain tumors

J. Miller, J. Ortega, M. Weinblatt, 1982, The American journal of pediatric hematology/oncology.

Renal toxicity of ifosfamide in pilot regimens of the intergroup rhabdomyosarcoma study for patients with gross residual tumor.

M. Wharam, E. Wiener, J. Ortega, 1994, The American journal of pediatric hematology/oncology.

CEREBELLAR CONING AND UNCAL HERNIATION IN CHILDHOOD ACUTE LEUKAEMIA

L. Looi, S. Siegel, J. Ortega, 1982, The Lancet.

Activity of intraarterial carboplatin as a single agent in the treatment of newly diagnosed extremity osteosarcoma.

A. Petrilli, O. P. Camargo, J. Ortega, 1999, Medical and pediatric oncology.

Pulmonary function abnormalities in thalassemia patients on a hypertransfusion program.

T. Keens, J. Ortega, A. Platzker, 1980, Pediatrics.

Melanotic neuroectodermal tumor of infancy. A case report of paratesticular primary with lymph node involvement.

H. Shimada, J. Ortega, A. Chiara, 1992, The American journal of pediatric hematology/oncology.

Melanotic neuroectodermal tumor of infancy. A case report of paratesticular primary with lymph node involvement.

H. Shimada, A. De Chiara, J. Ortega, 1992, The American journal of pediatric hematology/oncology.

Aplastic anemia in Down's syndrome.

J. Ortega, M. Weinblatt, G. Higgins, 1981, Pediatrics.

Exceptionally high serum erythropoietin activity in an anephric patient with severe anemia

R. Fine, J. Ortega, N. Shore, 1977, American journal of hematology.

CENTRAL NERVOUS SYSTEM PROPHYLAXIS IN LEUKAEMIA

H. Sather, J. Ortega, G. D'angio, 1981, The Lancet.

Bone marrow transplantation for constitutional pure red cell aplasia.

E. Guinan, K. Weinberg, H. Weinstein, 1988, Blood.

Inhibitory effects of interferon on mouse megakaryocytic progenitor cells in culture.

J. Ortega, N. Shore, P. P. Dukes, 1980, Experimental hematology.

Radiation therapy (RT) factors in prophylactic central nervous system (CNS) irradiation for childhood leukemia : A report from Children's Study Group (CCSG)

H. Sather, D. Hammond, J. Ortega, 1979 .

Adriamycin Continuous I.V. Infusion for the Treatment of Childhood Hepatic Malignancies, Toxicity, and Efficacy: A Pilot Study Childrens Cancer Study Group, Los Angeles, California

W. Woods, B. Lange, G. Reaman, 1986 .

Idea Analysis: A New Approach in Using Scientific Literature

John M. Weiner, Roberta S. Horowitz, Marcio H. Malogolowkin, 1989, Int. J. Man Mach. Stud..

Concurrence of transient asplenia and pure red cell aplasia

J. Ortega, M. Ozkaynak, J. Miller, 1990, European Journal of Pediatrics.